久久久久久蜜桃一区二区 欧洲美女大胆潮喷 精品少妇熟女ⅤⅤ免费久久久免费 超碰五月天亚洲论坛

  熱線電話:021-54370211?    

unsym-Dimethylethylenediamine

Name: N, N - dimethylenediamine

CAS number: 108-00-9

Quality standards: 99%

Pack: 200kg/pail

Land: domestic

Details:

Chinese name: N, n-dimethylenediamine

unsym-dimethylethylenediamine

An alias: N, N - dimethylenediamine;Asymmetric - dimethylenediamine;2-dimethylamine;N, n-dimethyl-1, 2-ethylenediamine;dimethylamine1-amino-2-dimethylamine;metacylenediamineAcrylic - N, n-dimethylamine

CAS NO: 108-00-9

EC NO: 203-541-2

Molecular weight: 88.15

Molecular formula: C4H12N2

Appearance: clear and transparent liquid

Relative density: 0.803

Refractive index: 1.4300-1.4260

Boiling point (℃) : 104 ℃ to 106 ℃

Flash point (℃) : 23 ℃

USES: this product is mainly used in the synthesis of Cefotiam (Cefotiam) intermediates 1-dimethyl-5-mp tetrazole.

@ 2016 ShangHaiYaYu Biomedical co.,ltd TEL:021-54370211、54370255、54370355 FAX:021-54370255

宝山区| 睢宁县| 深圳市| 宜昌市| 虎林市| 东乡县| 高邑县| 沐川县| 仁布县| 余姚市| 南和县| 永和县| 杂多县| 淮南市| 礼泉县| 南京市| 乐业县| 开阳县| 棋牌| 阿瓦提县| 唐海县| 宜阳县| 利辛县| 黎川县| 神木县| 红桥区| 句容市| 炉霍县| 东至县| 托克托县| 眉山市| 双柏县| 安多县| 班玛县| 麻城市| 卢湾区| 炎陵县| 山西省| 曲水县| 邵阳县| 白水县|